Earth anchor



FIG. 1 is a front view of an earth anchor showing our new design;

FIG. 2 is a top view thereof, shown broken away for clarity of illustration;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof, the side opposite being a mirror image;

FIG. 5 is a rear view thereof. 

The ornamental design for an earth anchor, as shown and described. 